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Wärtsilä Energy Solutions
Brigg Power Station, Scunthorpe, North Lincolnshire
£1.3m
Construction of a 50MW STOR on a live power station near Scunthorpe including transformer foundations with 8m high blast walls, radiator foundations and new roads and drainage.
The project involved working in proximity to a live Centrica power plant and in some cases interacting with the power plant side. The first task was to fill the site to1.8m to provide a suitable piling platform in order to install 40 CFA 600mm diameter piles.
On completion of the piling we installed over 1,000m of cable conduit and 300m of stainless steel oily water pipe in specific locations excavating in-between piles. We then reduced the level of the piling platform until we reached formation level in section so we were able to crop piles and install a blinding layer.
The concrete foundations for the main powerhouse structure had a complicated steel reinforcement design with five engine foundations acting independently to the main foundation. The main slab had over 400m3 of concrete, which was poured in a single day using two 52m concrete pumps and completed with a power float finish.
The main power house building was completed on schedule and allowed the steel erection contractor to progress their works. We also constructed a 40m x 16m bunded radiator foundation in an area that required additional works to remove all the previous power plant structures (i.e. oily water collection pit, asphalt turning areas, cable culverts).
A transformer foundation was also constructed requiring 8m high blast walls to three sides and concrete plinths to position the transformer on arrival. Two smaller transformer foundations were constructed that required 4m high blast walls in another area of the site.
Other small items included:
